December 2009 lunar eclipse
A partial lunar eclipse was visible on 31 December 2009. It was the last and largest of four minor lunar eclipses in 2009. This lunar eclipse was also notable, because it occurred during a blue moon (a second full moon in December) and was near perigee (making it a supermoon). The next eclipse on New Year's Eve and blue moon will occur on 31 December 2028.
| Partial Lunar Eclipse 31 December 2009 | |
|---|---|
Munster, Ireland, 19:43 UT | |
The southern edge of the Moon will be completely darken as the Moon passes through the Earth's umbral shadow | |
| Series (and member) | 115 (57 of 72) |
| Gamma | 0.9765 |
| Magnitude | 0.0763 |
| Duration (hr:mn:sc) | |
| Partial | 0:59:58 |
| Penumbral | 4:11:03 |
| Contacts (UTC) | |
| P1 | 17:17:08 |
| U1 | 18:52:43 |
| Greatest | 19:22:39 |
| U4 | 19:52:41 |
| P4 | 21:28:11 |
The Moon's hourly motion across the Earth's shadow in the constellation of Gemini | |
Only a small portion of the Moon entered the Earth's umbral shadow, but there was a distinct darkening visible over the Moon's southern surface at greatest eclipse.
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